Quick Takeaways
- Graham Holdings Co filed SCHEDULE 13G/A for PubMatic, Inc. Class A Common Stock, par value $0.0001 per share (PUBM).
- Disclosed ownership: 7%.
- Date of event: 31 Mar 2025.
Graham Holdings Co - 31 Mar 2025 SCHEDULE 13G/A Report for PubMatic, Inc. Class A Common Stock, par value $0.0001 per share (PUBM)
- Filing Manager
- Graham Holdings Co
- Reporting Manager
- Graham Holdings Company
- Symbol
- PUBM
- Shares outstanding
- 40,449,457 shares
- Disclosed Ownership
- 2,831,462 shares
- Ownership
- 7%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 May 2025, 17:19:57 UTC
- Date of event
- 31 Mar 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Graham Holdings Co disclosed 7% ownership in PubMatic, Inc. Class A Common Stock, par value $0.0001 per share (PUBM) on 31 Mar 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 14 May 2025, 17:19.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Graham Holdings Company | 7% | 2,831,462 | 2,831,462 | 0 | /s/ Nicole Maddrey | Nicole Maddrey, Senior Vice President, Secretary, General Counsel |